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Jordan's inequality

From Wikipedia, the free encyclopedia
unit circle with angle x and a second circle with radius around E.

In mathematics, Jordan's inequality, named after Camille Jordan, states that[1]

It can be proven through the geometry of circles (see drawing).[2]

Notes

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  1. ^ Weisstein, Eric W. "Jordan's inequality". MathWorld.
  2. ^ Feng Yuefeng, Proof without words: Jordan`s inequality, Mathematics Magazine, volume 69, no. 2, 1996, p. 126

Further reading

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